var chartDom = document.getElementById('l1');
var ec_left1 = echarts.init(chartDom);
var l1_option;

l1_option = {
    xAxis: {
        type: 'category',
        data: ["本科", "大专", "硕士"],//学历
        name: "学历"
    },
    yAxis: {
        type: 'value',
        name: "万/月"
    },
    series: [{
        data: ["25545.38", "11567.99", "131890.62"],
        type: 'bar'
    }]
};

l1_option && ec_left1.setOption(l1_option);